Shares of vaccine makers dropped after Pfizer CFO David Denton said the outlook for vaccine rates this year got a "haircut."
•Denton told a conference that Pfizer anticipates a 24% U.S. vaccination rate this year. •Denton had said previously the company would take steps to cut costs if COVID-19 vaccine revenue missed expectations. *Revenue, NOT effectiveness.*

Shares of COVID-19 Vaccine Makers Fall After Pfizer CFO Warns of Outlook 'Haircut'
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Shares of COVID-19 Vaccine Makers Fall After Pfizer CFO Warns of Outlook 'Haircut'

Moderna was the worst-performing stock in the S&P 500, and Pfizer shares dropped as well after Pfizer CFO David Denton said the outlook for vaccine rates this year got a significant "haircut."